bip-pod-facebook/get_page_timeline.js

Facebook Pod for Bipio

/**
 *
 * The Bipio Facebook Pod.  get_page_mine action definition
 * ---------------------------------------------------------------
 *  Gets a users facebook page
 * ---------------------------------------------------------------
 *
 * Copyright (c) 2017 InterDigital, Inc. All Rights Reserved
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var url = require('url'),
async       = require('async');

function GetPageTimeline() {}

GetPageTimeline.prototype = {};

GetPageTimeline.prototype.setup = function(channel, accountInfo, next) {
  this.pod.trackingStart(channel, accountInfo, true, next);
}

GetPageTimeline.prototype.teardown = function(channel, accountInfo, next) {
  this.pod.trackingRemove(channel, accountInfo, next);
}

GetPageTimeline.prototype.trigger = function(imports, channel, sysImports, contentParts, next) {
  var pod = this.pod,
    self = this;

  pod.trackingGet(channel, function(err, since) {
    if (err) {
      next(err);
    } else {
      pod.trackingUpdate(channel, function(err, until) {
        if (err) {
          next(err);
        } else {
          imports.since = since;
          imports.until = until;

          self.invoke(imports, channel, sysImports, contentParts, function(err, post) {
            if (err) {
              next(err);
            } else {
              next(false, post);
            }
          });
        }
      });
    }
  });
}

/**
 * Invokes (runs) the action.
 *
 */
GetPageTimeline.prototype.invoke = function(imports, channel, sysImports, contentParts, next) {
  var $resource = this.$resource,
  self = this,
  client = this.pod.getClient();

  var args = self.pod.initParams(sysImports);

  if (imports.since) {
    args.since = imports.since;
  }

  if (imports.until) {
    args.until = imports.until;
  }

  client.api(
	'/v2.3/' + imports.page_id  +'/feed',
    'get',
    args,
    function (res) {
      var exports = {};
      var err = false;
      var forwardOk = false;
      if (res.error) {
        next(res.error, exports);
        // expired token
        if (res.error.code == 190 && res.error.error_subcode == 466) {
          // @todo disable all channels in this pod for this user, and
          // generate a system notice for the user that their channels
          // have been disabled
          next(res.error.message);
        }
      } else {
        if (res.data.length > 0) {
          var exports, r, justMe = (imports.me_only && $resource.helper.isTruthy(imports.me_only));
          for (var i = 0; i < res.data.length; i++) {
            r = res.data[i];
            if ((justMe && r.message && r.message !== '' && r.from.id === imports.page_id) ||
              !justMe) {

              exports = {
                id : r.id,
                message : r.message,
                type : r.type,
                picture : r.picture || '',
                link : r.link || '',
                post_link : 'https://www.facebook.com/' + r.id.replace('_', '/posts/'),
                name : r.name || '',
                description : r.description || '',
                icon : r.icon || '',
                created_time : r.created_time || ''
              }
              next(false, exports );
            }
          }
        }
      }
    }
  );

}

// -----------------------------------------------------------------------------
module.exports = GetPageTimeline;